Roof fan for removal of the gases that occur during a fire

Description

Universal groove roof fan for removal of the gases that occur during a fire UKRV are installed on the roof of buildings and structures and are designed to remove gases occurring during a fire of high-gas mixtures and simultaneous transfer of heat outside the premises of buildings and structures on SNIP *********3.

These fans carry output air flows upward from the plane of the combustible roof to a safe area at the maximum temperature gas environment of **0 ° C for not less than **0 minutes.
After working in a fire fan should be replaced regardless of its condition and the possibility of continuing work.

When using the fan UKRV not required to apply an additional check valve. The functions of the check valve operates self-closing lid nozzles designed to protect the fan and ductwork from blowing cold air and the ingress of precipitation.

Centrifugal fans type UKRV represent some of the 6 dimensions of fan air capacity of ***0 m3 / h up to *****0 m3 / h and developed a static pressure of *0 Pa to ***0 Pa.